feat: usermanager (#2139)

* feat: usermanager

---------

Co-authored-by: Vlad Stan <stan.v.vlad@gmail.com>

lnbits/core/views/admin_api.py

@@ -10,12 +10,10 @@ from fastapi import APIRouter, Depends
 from fastapi.responses import FileResponse
 from starlette.exceptions import HTTPException
 
-from lnbits.core.crud import get_wallet
-from lnbits.core.models import CreateTopup, User
+from lnbits.core.models import User
 from lnbits.core.services import (
     get_balance_delta,
     update_cached_settings,
-    update_wallet_balance,
 )
 from lnbits.core.tasks import api_invoice_listeners
 from lnbits.decorators import check_admin, check_super_user
@@ -104,30 +102,6 @@ async def api_restart_server() -> dict[str, str]:
     return {"status": "Success"}
 
 
-@admin_router.put(
-    "/api/v1/topup",
-    name="Topup",
-    status_code=HTTPStatus.OK,
-    dependencies=[Depends(check_super_user)],
-)
-async def api_topup_balance(data: CreateTopup) -> dict[str, str]:
-    try:
-        await get_wallet(data.id)
-    except Exception as exc:
-        raise HTTPException(
-            status_code=HTTPStatus.FORBIDDEN, detail="wallet does not exist."
-        ) from exc
-
-    if settings.lnbits_backend_wallet_class == "VoidWallet":
-        raise HTTPException(
-            status_code=HTTPStatus.FORBIDDEN, detail="VoidWallet active"
-        )
-
-    await update_wallet_balance(wallet_id=data.id, amount=int(data.amount))
-
-    return {"status": "Success"}
-
-
 @admin_router.get(
     "/api/v1/backup",
     status_code=HTTPStatus.OK,